diff --git a/src/filters.c b/src/filters.c
index a4ff257..f57cc8f 100644
--- a/src/filters.c
+++ b/src/filters.c
@@ -923,6 +923,7 @@
 			ret = FLT_OPS(filter)->channel_pre_analyze(s, filter, chn, an_bit);
 			if (ret <= 0)
 				BREAK_EXECUTION(s, chn, check_result);
+			filter->pre_analyzers &= ~an_bit;
 		}
 	} RESUME_FILTER_END;
 
@@ -950,6 +951,7 @@
 			ret = FLT_OPS(filter)->channel_post_analyze(s, filter, chn, an_bit);
 			if (ret < 0)
 				break;
+			filter->post_analyzers &= ~an_bit;
 		}
 	}
 	return handle_analyzer_result(s, chn, 0, ret);